You should backwash your pool before you shock it, especially if your filter pressure gauge reads 7 to 10 psi higher than its normal baseline. A clean filter ensures maximum water flow and allows the shock to circulate and work effectively.
Always add pool chemicals in this specific sequence to prevent cloudy water and chemical reactions: Alkalinity, pH, Calcium Hardness, Stabilizer, and finally Sanitizer (Chlorine). Never mix chemicals directly together; always allow the pool pump to circulate the water for 30–60 minutes between each addition.
With time the sand in your filtration system will break down into smaller particles and get out into the pool. These small particles will have no problem going through the filtration system and in the end, get mixed with dirt. This could be a reason your pool gets dirty even after you have vacuumed it.
To achieve a crystal-clear pool, follow a four-step process: balance your water chemistry, shock the pool, use a clarifier to bind microscopic particles, and run and clean your filter.
Poor Pool Water Quality
If you fail to rinse after backwashing, the overall quality of your pool water can decline. Backwashing a filter aims to remove contaminants, but if you fail to rinse the filter after backwashing, you are at risk of putting those same contaminants into your swimming pool.
All pools lose some water daily due to evaporation. Under normal conditions, expect about 1/4 inch per day, with weekly losses typically ranging up to 2 inches at most. However, factors like high temperatures, low humidity, wind, and pool activity can increase evaporation, leading to greater water loss.
Pool shock is a chemical treatment that helps break down contaminants – such as leaves, dirt and debris, even oils from your skin -- that can gradually build up in your pool water. Shocking your pool as part of your weekly pool maintenance routine will help keep your water clear and balanced.
Backwashing too long alone isnt harmful...running out of water running dry, stuff like that is. Sound like just needs to be fully primed. it will seem to suck air if not primed and air relief is open. Fill the basket with water then close the pump lid, then start the pump.
For safe and accurate results, you should always test in the following order: Start by testing alkalinity and making adjustments as needed. Next, test and adjust pH levels as needed. Third, test and adjust calcium hardness as needed.
Sulfuric acid (H2SO4cap H sub 2 cap S cap O sub 4𝐻2𝑆𝑂4) is widely known as the "king of chemicals." It earned this title because it is essential to a vast array of industrial processes, and a country's consumption of it is often used as a direct indicator of its overall industrial and economic strength.
When filling a pool for the first time, your goal is to establish balanced, sanitary water. Add chemicals in a specific order: Total Alkalinity (to stabilize pH), pH (for sanitizer efficiency), Chlorine (to sanitize), Stabilizer (to protect chlorine from the sun), and Calcium Hardness (to protect pool surfaces).
Don't allow horseplay.
Rowdy behavior and any activity involving dunking or throwing people in the water should NOT be allowed.
No, you should never vacuum a pool on the "Backwash" setting. Backwashing runs your filter in reverse. Doing this while vacuuming will push the unfiltered dirt and debris backward, clogging your filter media or tearing the delicate internal grids/laterals.
After shocking your pool, immediately turn on your pool pump and keep it running continuously for 8 to 24 hours to circulate the chemicals. Wait at least 24 hours (or until free chlorine drops to 1–4 ppm) before swimming. Test the water, brush the walls, and clean or backwash the filter.
Pool pumps typically last 8 to 12 years, but premature failure usually stems from overheating, water leaks, or debris blockages. Common culprits include a failing motor (often due to worn bearings), electrical shorts, dry running caused by air leaks, and impeller damage from clogged debris.
Baking soda (sodium bicarbonate) acts as a natural buffer that raises both your pool's total alkalinity and its pH. It prevents severe pH fluctuations (known as "pH bounce"), clears cloudy water, prevents equipment corrosion, and helps your chlorine sanitize more effectively.
Generally speaking, pools lose approximately 1/4” of water per day on average, though this can vary due to factors like wind, temperature, humidity and of course, the pool's total surface area.
Frequently Asked Questions
Add chlorine regularly (daily or every few days) to keep a steady level, and shock about once a week if needed. What chlorine, pH and alkalinity levels should I aim for? Target chlorine 1–3 ppm, pH 7.2–7.6, and alkalinity 80–120 ppm.
Backwash your pool filter for 2 to 3 minutes, or until the water runs completely clear through the sight glass. Always follow up with a 30 to 60-second Rinse cycle to resettle the sand and flush out any remaining debris.
Although it can seem like a good idea to leave your pool empty after repairs, building, or for seasonal things – it's not always the best plan of action. Truthfully, you should not leave your concrete pool empty for more than two weeks.
Your pool is likely collecting excessive debris due to environmental fallout (wind, nearby trees, or pollen), a broken or clogged filtration system, or poor water circulation.